Cost of the 1st level:
CRP 1.25 You can grow special insects for processing the planet’s atmosphere to produce the residual particles of vespene. After the death and decomposition, they produce the enzymes to let a dead body to turn into useful vespene for the swarm. Because in the hole there are many numbers of insects which carry out a difficult job, they require strict control. 20% more gas on gas planets.
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Comparison by level
| Lvl | Production of Vespene | Energy |
| 1 | 5 | -2 |
| 2 | 11 | -3 |
| 3 | 17 | -3 |
| 4 | 23 | -3 |
| 5 | 30 | -4 |
| 6 | 37 | -5 |
| 7 | 44 | -5 |
| 8 | 51 | -6 |
| 9 | 59 | -7 |
| 10 | 67 | -8 |